Motors, ESC's and Propellers

your propulsion's choice will depend on the weight of your multicopter, your eventual payload and your flight style.

Jesolin's Mega Index is a really interesting source of informations about multicopters, and you will find all you need to make your setup!

A great ressource for informations on motors is Old Man Mike's regularly updated thread:

http://www.rcgroups.com/forums/showthread.php?t=1006721